Dynamic Multi-Pane Insulating Assembly for Stable Thermal Resistance
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Solution Overview
Problem
Existing insulating glass units (IGUs) and vacuum insulating glass units (VIGUs) face challenges in maintaining high thermal resistance over their lifetime due to environmental stresses and differential thermal expansion, leading to thermal short circuits and reduced insulating performance.
Innovation Solution
A dynamic multi-pane insulating assembly with gas permeable panes and pressurized gaps, coupled with a control system to maintain desired vacuum and pressure levels using vacuum and pressurized gas sources, ensuring consistent thermal resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional static multi-pane insulating glass units are used, then manufacturing is simpler and device complexity is lower, but thermal resistance degrades over time due to environmental stresses and thermal expansion
Solution Approach 1:
The patent implements a dynamic multi-pane insulating assembly where panes can move relative to each other to accommodate thermal expansion and environmental stresses. The system includes movable panes, adjustable spacers, and dynamic sealing mechanisms that maintain the vacuum seal while allowing thermal movement, thereby maintaining thermal resistance over time without requiring complex active control systems.
Solution Approach 2:
The system changes physical parameters of the insulating assembly, including the spacing between panes, the vacuum level, and the position of spacers, in response to environmental conditions. This allows the assembly to adapt to thermal expansion and contraction, maintaining optimal thermal resistance performance throughout its service life.
2Reliability
If higher vacuum levels are used to improve insulating performance, then thermal resistance increases, but maintaining the vacuum requires more complex containment systems
Solution Approach 1:
The dynamic multi-pane insulating assembly maintains its own vacuum seal through self-adjusting mechanisms. The movable panes and dynamic spacers automatically compensate for thermal expansion and pressure differentials, preserving the vacuum integrity without requiring external active control systems or complex containment structures.
Solution Approach 2:
The system uses dynamic sealing mechanisms that adapt to changes in vacuum pressure and thermal conditions. The movable components allow the seal to flex and adjust, maintaining the vacuum level while accommodating thermal movement, thereby achieving high thermal resistance without proportionally increasing system complexity.
3Reliability
If rigid seals are used to maintain vacuum, then vacuum integrity is better, but thermal expansion causes thermal short circuits and performance degradation
Solution Approach 1:
The patent replaces rigid seals with dynamic sealing mechanisms that can flex and adjust as panes expand and contract due to thermal stresses. This allows the vacuum seal to maintain integrity while accommodating thermal movement, preventing thermal short circuits between panes and maintaining both vacuum integrity and thermal performance.
Solution Approach 2:
The system allows parameters such as pane position and spacer location to change dynamically in response to thermal expansion. This flexibility prevents the development of thermal short circuits while maintaining vacuum integrity, as the dynamic components adjust to accommodate thermal stresses without compromising either seal or insulation performance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The assembly effectively maintains high thermal resistance by dynamically adjusting vacuum and pressure levels, minimizing heat transfer and ensuring long-term insulating performance despite environmental changes.
Implementation Method 1
the gas within the respective first and second pressurized gaps is permitted to permeate through the respective first and second permeable panes and into communication with the vacuum present in the evacuated gap
Data Source
AI summary
A dynamic multi-pane insulating assembly and system including methods for dynamically maintaining the thermal resistance value of the assembly and system. The dynamic multi-pane insulating assembly and system includes first and second gas permeable panes defining an evacuated gap in communication with a vacuum source; a first exterior pane spaced from the first gas permeable pane defining a first pressurized gap in communication with a source of pressurized gas; and a second exterior pane spaced from the second gas permeable pane defining a second pressurized gap in communication with the source of pressurized gas.